Pulse Oximeter
From Manufacturer's Label: With the Pulse Oximeter get an accurate reading of your oxygen and pulse rate anytime, anywhere with this. Simply clip it on your finger to check how much oxygen is in your blood and monitor your heart rate. The large LCD display is easy to read. Auto shutoff. Includes a lanyard. Requires 2 AAA batteries (included) . 5-1/2"L x 3"W x 1-1/2"D. Manufactured by: Veridian Healthcare